@import "three.css";
h3 {
  color: #e87a26;
}
.box {
  height: 200px;
  width: 100px;
  background-color: red;
  font-size: 20px;
  font-weight: bold;
}
/*注释--》多行注释会编译*/
.font {
  font-size: 20px;
  font-weight: bold;
}
div p span {
  color: blue;
}
div:hover {
  font-size: 16px;
}
.boxa {
  color: aqua;
}
.boxb {
  color: #00ff3c;
}
div > h1 {
  color: aquamarine;
}
h2 {
  color: #ffff00;
  height: 110px;
  width: 300px;
  position: relative;
  left: 0;
  top: 25 px;
}
